• Supports up to 5 Pulleys
• Includes a Fixed Position 5" Pulley for Alternators
• Includes Adjustable 3" Pulley to Drive Vacuum Pumps
• 1 1/2" Diameter Pulley Shaft
• Grade 8 Hardware Included

Take your performance engine to the next level with the Aerospace Components Mandrel Drive Pulley System, a precision-engineered solution designed to optimize accessory drive efficiency and reliability. Whether you’re building a high-performance street machine or a competition-ready race engine, this belt driven pulley system delivers superior strength, reduced parasitic loss, and long-lasting durability compared to standard drive setups.

This belt drive pulley system is crafted with meticulous attention to balance and alignment, ensuring smooth operation at high RPMs and under demanding conditions. Each component is machined from premium materials, providing exceptional dimensional accuracy and resistance to warping or flexing under load. What sets this system apart is its mandrel drive design, which enhances belt tracking and minimizes slippage—resulting in more consistent accessory performance and improved engine responsiveness.

A key benefit of upgrading to the Aerospace Components Mandrel Drive Pulley System is reduced mechanical drag. By streamlining accessory drive components, this setup helps free up horsepower that would otherwise be lost to inefficient pulleys and tensioners. The result is a cleaner, more efficient power delivery and a drivetrain that feels more responsive in real-world driving or competitive scenarios.

Installation is designed to be straightforward for seasoned builders and professional engine shops alike, with all necessary hardware and precision-matched components included. Whether you’re refreshing an older engine or building a new performance package from scratch, this aerospace drive solution offers peace of mind with proven reliability and quality craftsmanship.

For enthusiasts seeking a performance-oriented accessory drive upgrade, the Aerospace Components Mandrel Drive Pulley System delivers the strength, precision, and reliability your engine deserves—making it a smart investment for any serious build.